CN112549303B - Processing equipment of C15 recycled concrete - Google Patents

Processing equipment of C15 recycled concrete Download PDF

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Publication number
CN112549303B
CN112549303B CN202011409609.6A CN202011409609A CN112549303B CN 112549303 B CN112549303 B CN 112549303B CN 202011409609 A CN202011409609 A CN 202011409609A CN 112549303 B CN112549303 B CN 112549303B
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China
Prior art keywords
frame
recycled concrete
box body
layer
different
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CN202011409609.6A
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Chinese (zh)
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CN112549303A (en
Inventor
陈秀科
徐敏
陈维林
赵忠兴
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Sanya Huasheng New Concrete Co ltd
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Sanya Huasheng New Concrete Co ltd
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Publication of CN112549303A publication Critical patent/CN112549303A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
    • B28C5/16Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806Details; Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0806Details; Accessories
    • B28C5/0856Supporting frames or structures, e.g. supporting wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B28C5/0875Mixing in separate stages involving different containers for each stage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/0007Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/30Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a processing device of C15 recycled concrete, which comprises a stirring mechanism and a plurality of frames with rectangular sections, wherein the frames are mutually nested, connecting rods are arranged between the frames, strain detection mechanisms are arranged on six surfaces of the frames and are used for sealing the six surfaces of the frames, the processing device also comprises a plurality of first connecting pipes, different first connecting pipes are communicated with the strain detection mechanisms on different frames, the joints of the first connecting pipes and the strain detection mechanisms are sealed, cavities formed among different frames are filled with recycled concrete layers with different performances, and the device can simulate and detect the strain conditions of the processed recycled concrete in the solidification process after layered casting and the internal and external solidification process of the concrete layers.

Description

Processing equipment of C15 recycled concrete
Technical Field
The invention relates to a concrete processing device, in particular to processing equipment for C15 recycled concrete.
Background
The recycled concrete is prepared by crushing waste concrete blocks and adding new concrete materials, because the waste concrete blocks can cause fine cracks in the crushed blocks when being crushed, the quality of the recycled concrete is relatively poor, and in the pouring process, the performance of the recycled concrete is relatively unstable compared with that of the conventional concrete, and in the construction process, if the layered concrete pouring mode is adopted for construction, because the quality and the dryness of different batches of concrete have certain difference, the strain tendency of a contact surface can cause the strain in the formed concrete layer to cause the generation of cracks, and for the concrete layer poured each time, because the internal and external solidification speeds of the concrete layer are different and the stirring is uneven, the strain in the concrete layer can cause certain strain to occur, and through the superposition influence of the two conditions, the strength of the formed concrete layer is affected, and the existing processing equipment cannot perform simulation on the condition of the processed concrete in use, so that risk accidents which may occur under the real condition cannot be acquired.
Disclosure of Invention
In view of the above-mentioned problems, the present invention is directed to a C15 recycled concrete processing apparatus capable of simulating and detecting the strain conditions occurring inside the processed recycled concrete during the solidification process after the layered casting and the internal and external solidification processes of the concrete layer.
The invention provides a processing device of C15 recycled concrete, which comprises a stirring mechanism and a plurality of frames with rectangular sections, wherein the frames are mutually nested, connecting rods are arranged between the frames, strain detection mechanisms are arranged on six surfaces of the frames and are used for sealing the six surfaces of the frames, the processing device also comprises a plurality of first connecting pipes, different first connecting pipes are communicated with the strain detection mechanisms on different frames, the joints of the first connecting pipes and the strain detection mechanisms are sealed, and cavities formed between different frames are filled with recycled concrete layers with different performances.
Further, the detection mechanism meets an emergency includes a plurality of groups of deformable component, deformable component is used for sealing each face of frame, deformable component includes that a plurality of insides are hollow elastic layer, be equipped with the adhesion layer between the elastic layer, the elastic layer is used for sealing six faces of frame, fill in the elastic layer and have the gypsum layer of doping different density pigments, with regeneration concrete layer looks butt the surface of elastic layer also is equipped with the adhesion layer.
Further, rabbling mechanism includes box and motor, the top of box is equipped with support piece, support piece with motor fixed connection, the output of motor penetrates in the box, the output of motor is equipped with the puddler, the puddler is located inside the box, still includes fixed subassembly, fixed subassembly with box fixed connection, the frame with fixed subassembly looks butt, the other end of first communicating pipe with the box is linked together, be equipped with first ooff valve on the first communicating pipe, the motor is connected with external power supply electricity.
Furthermore, the fixing component comprises a supporting plate and a fixing rod, the top of the supporting plate is abutted to the frame, the fixing rod is fixedly connected with the supporting plate, and the other end of the fixing rod is fixedly connected with the box body.
Furthermore, a second communicating pipe communicated with the elastic layer is arranged on the surface of the elastic layer, and the second communicating pipe penetrates through the outermost frame.
Furthermore, a second switch valve is arranged on the second communicating pipe.
Furthermore, the other end of the second communicating pipe is provided with a box body which is fixedly connected with the second communicating pipe and communicated with the second communicating pipe, and the box body is used for placing a drying agent.
The invention has the beneficial effects that:
according to the processing equipment for C15 recycled concrete, through the matching of the stirring mechanism and the first connecting pipe, a first batch of stirred recycled concrete is introduced into the cavity formed by the innermost frame and the strain detection mechanism, after the recycled concrete layer of the first batch is about to be solidified, a second batch of stirred recycled concrete is introduced into the cavity formed by the innermost frame and the strain detection mechanism and the outer frame and the strain detection mechanism, and different batches of recycled concrete layers can be separated by the strain detection mechanism through the sequential introduction manner, because different strains can occur in different masses of the recycled concrete layers in different cavities during the solidification process, therefore, the strain conditions of the recycled concrete layers in different cavities are detected through the strain detection mechanism, and the strain conditions of the recycled concrete layers in the layered pouring process can be simulated, so that the pouring method can be improved according to the simulation result, and the problem that the construction quality is not too high is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an overall configuration diagram of a C15 recycled concrete processing facility according to the present invention;
FIG. 2 is a sectional view showing a partial structure of a C15 recycled concrete processing apparatus according to the present invention;
fig. 3 is a cross-sectional view of a frame of a C15 recycled concrete processing facility according to the present invention.
In the figure, 1 is the frame, 2 is the connecting rod, 3 is first communicating pipe, 4 is the recycled concrete layer, 5 is the elastic layer, 6 is the adhesion layer, 7 is the gypsum layer, 8 is the box, 9 is the motor, 10 is support piece, 11 is the puddler, 12 is first ooff valve, 13 is the backup pad, 14 is the dead lever, 15 is second communicating pipe, 16 is the second ooff valve, 17 is the box body.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the invention provides a C15 recycled concrete processing device, which includes a stirring mechanism and a plurality of frames 1 with rectangular cross sections, the frames 1 are nested with each other, a connecting rod 2 is arranged between the frames 1, strain detection mechanisms are arranged on six surfaces of the frames 1, different strain detection mechanisms are abutted together in the vertical direction, the strain detection mechanisms are used for sealing the six surfaces of the frames 1, the processing device further includes a plurality of first communication pipes 3, different first communication pipes 3 are communicated with different strain detection mechanisms on the frames 1, the joints of the first communication pipes 3 and the strain detection mechanisms are sealed, cavities formed between different frames 1 are filled with recycled concrete layers 4 with different performances, through the matching of the stirring mechanism and the first communication pipes 3, introducing a first batch of stirred recycled concrete into a cavity formed by the innermost frame 1 and the strain detection mechanism, after the recycled concrete layer 4 of the first batch is to be solidified, then introducing a second batch of stirred recycled concrete into cavities formed by the innermost frame 1 and the strain detection mechanism and the outer frame 1 and the strain detection mechanism, and sequentially introducing the recycled concrete layers 4 of different batches into the cavities formed by the innermost frame 1 and the strain detection mechanism, wherein different strains can occur in different masses of the recycled concrete layers 4 in different cavities in the solidification process of the recycled concrete layers 4, so that the strain conditions of the recycled concrete layers 4 in different cavities can be detected by the strain detection mechanisms, furthermore, the strain condition of the recycled concrete layer 4 in the layered pouring process can be simulated, so that the pouring method can be improved according to the simulation result, and the problem that the construction quality is not critical can be reduced.
Specifically, the strain detection mechanism comprises a plurality of groups of deformable components, the deformable components are used for sealing each surface of the frame 1, the deformable components comprise a plurality of elastic layers 5 with hollow interiors, adhesion layers 6 are arranged between the elastic layers 5, the elastic layers 5 are used for sealing six surfaces of the frame 1, gypsum layers 7 doped with pigments with different densities are poured into the elastic layers 5, the adhesion layers 6 are also arranged on the surfaces of the elastic layers 5 abutting against the regenerated concrete layer 4, the elastic layers 5 can form a whole under the action of the adhesion layers 6 between the elastic layers 5, and the adhesion capability of the regenerated concrete layer 4 can be simulated and the adhesion of the regenerated concrete layer 4 can be combined with the regenerated concrete layer 4 through the adhesion layers 6 between the regenerated concrete layer 4, due to the effect of the gypsum layer 7 doped with pigments with different densities in the elastic layer 5, due to the fact that color layering can occur on the gypsum layer 7, when the regenerated concrete layer 4 extrudes the elastic layer 5 due to strain, the elastic layer 5 can deform to a certain degree, the gypsum layer 7 is further enabled to be irregular in shape after solidification and hardening, and the gypsum layer 7 displays due to layering of different colors, and after the elastic layer 5 is cut, the strain condition of the regenerated concrete layer 4 can be well reflected, so that a pouring method can be improved according to a simulation result, and the problem that construction quality is not over-critical is solved.
Specifically, the stirring mechanism comprises a box body 8 and a motor 9, a supporting piece 10 is arranged at the top of the box body 8, the supporting piece 10 is fixedly connected with the motor 9, the output end of the motor 9 penetrates into the box body 8, the output end of the motor 9 is provided with a stirring rod 11, the stirring rod 11 is positioned in the box body 8, the stirring device also comprises a fixing component, the fixed component is fixedly connected with the box body 8, the frame 1 is abutted against the fixed component, the other end of the first communicating pipe 3 is communicated with the box body 8, a first switch valve 12 is arranged on the first communicating pipe 3, the motor 9 is electrically connected with an external power supply, the renewable concrete can be effectively stirred through the matching among the box body 8, the motor 9 and the stirring rod 11, the box body 8 and the frame 1 can be effectively fixed through the fixing component.
Specifically, the fixing component comprises a supporting plate 13 and a fixing rod 14, the top of the supporting plate 13 is abutted to the frame 1, the fixing rod 14 is fixedly connected with the supporting plate 13, the other end of the fixing rod 14 is fixedly connected with the box body 8, and the box body 8 and the frame 1 can be fixed through the supporting plate 13 and the fixing rod 14, so that the device is ensured to be used.
Specifically, the surface of elastic layer 5 is equipped with second communicating pipe 15 that is linked together with it, second communicating pipe 15 passes outmost frame 1, through the effect of second communicating pipe 15, can with gypsum layer 7 is leading-in inside elastic layer 5, simultaneously can also be convenient moisture evaporation and sclerosis in the gypsum layer 7.
Specifically, be equipped with second ooff valve 16 on the second communicating pipe 15, through second ooff valve 16's effect, can carry out according to actual need in the elastic layer 5 the work of pouring into of gypsum layer 7 and the work of the moisture evaporation of gypsum layer 7.
Specifically, the other end of the second communication pipe 15 is provided with a box body 17 which is fixedly connected with the other end of the second communication pipe and is communicated with the second communication pipe, the box body 17 is used for placing a drying agent, and the hardening efficiency of the gypsum layer 7 can be accelerated under the action of the drying agent in the box body 17.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. The utility model provides a processing equipment of C15 recycled concrete, its characterized in that, includes that rabbling mechanism and a plurality of cross-section are the frame of rectangle, nest each other between the frame, be equipped with the connecting rod between the frame, be equipped with strain detection mechanism on six faces of frame, strain detection mechanism is used for sealing six faces of frame still includes a plurality of first communicating pipes, and is different first communicating pipe is linked together with different strain detection mechanism on the frame, first communicating pipe with strain detection mechanism's seam crossing is sealed, and different the cavity that forms between the frame is poured into the different recycled concrete layer of performance, strain detection mechanism includes a plurality of groups deformable component, deformable component is used for sealing each face of frame, deformable component includes that a plurality of insides are hollow elastic layer, be equipped with the adhesion layer between the elastic layer, the elastic layer is used for sealing six faces of frame, fill in the elastic layer and dope the gypsum layer of different density pigment, with regeneration concrete layer looks butt the surface of elastic layer also is equipped with the adhesion layer.
2. The equipment for processing C15 recycled concrete according to claim 1, wherein the stirring mechanism comprises a box body and a motor, a supporting member is arranged at the top of the box body and fixedly connected with the motor, the output end of the motor penetrates into the box body, a stirring rod is arranged at the output end of the motor and positioned inside the box body, the equipment further comprises a fixing assembly, the fixing assembly is fixedly connected with the box body, the frame is abutted against the fixing assembly, the other end of the first communicating pipe is communicated with the box body, a first switch valve is arranged on the first communicating pipe, and the motor is electrically connected with an external power supply.
3. The apparatus of claim 2, wherein the fixing assembly comprises a supporting plate and a fixing rod, the top of the supporting plate is abutted against the frame, the fixing rod is fixedly connected with the supporting plate, and the other end of the fixing rod is fixedly connected with the box body.
4. The apparatus for processing C15 recycled concrete according to claim 1, wherein a second connection pipe is provided on a surface of the elastic layer and connected to the elastic layer, and the second connection pipe passes through the outermost frame.
5. The apparatus for processing C15 recycled concrete according to claim 4, wherein a second on-off valve is provided on the second connection pipe.
6. The apparatus for processing C15 recycled concrete according to claim 5, further comprising a box fixedly connected to the other end of the second connection pipe and connected to each other, wherein the box is used for placing a desiccant.
CN202011409609.6A 2020-12-06 2020-12-06 Processing equipment of C15 recycled concrete Active CN112549303B (en)

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CN112549303B true CN112549303B (en) 2022-03-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007241583A (en) * 2006-03-08 2007-09-20 Hitachi Ltd Mechanical quantity measuring apparatus and method
KR20130058629A (en) * 2011-11-25 2013-06-04 한국건설생활환경시험연구원 Apparatus for estimating thermal crack susceptibility of concrete and method using thereof
CN108286550A (en) * 2018-04-18 2018-07-17 浙江大学宁波理工学院 The mounting structure and installation method of concrete stress strain-Sensing device
CN210401422U (en) * 2019-08-05 2020-04-24 江苏新水工程检测有限公司 Concrete crack resistance detection device for building and construction
CN111537431A (en) * 2020-04-29 2020-08-14 重庆大学 Liquid CO2Phase change fracturing effect similar simulation experiment device and experiment method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102735822B (en) * 2012-05-11 2015-06-10 河海大学 Determining methodof early stage crack resistance testing device for determining layered casting concrete
CN103630675A (en) * 2013-11-19 2014-03-12 河海大学 Device and method for measuring early-age anti-cracking property of concrete under end restraint
CN111596043B (en) * 2020-06-10 2022-03-25 中水北方勘测设计研究有限责任公司 Device for measuring internal humidity of concrete and arrangement method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007241583A (en) * 2006-03-08 2007-09-20 Hitachi Ltd Mechanical quantity measuring apparatus and method
KR20130058629A (en) * 2011-11-25 2013-06-04 한국건설생활환경시험연구원 Apparatus for estimating thermal crack susceptibility of concrete and method using thereof
CN108286550A (en) * 2018-04-18 2018-07-17 浙江大学宁波理工学院 The mounting structure and installation method of concrete stress strain-Sensing device
CN210401422U (en) * 2019-08-05 2020-04-24 江苏新水工程检测有限公司 Concrete crack resistance detection device for building and construction
CN111537431A (en) * 2020-04-29 2020-08-14 重庆大学 Liquid CO2Phase change fracturing effect similar simulation experiment device and experiment method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
C70内浇混凝土巨柱的施工与实体检测;余成行等;《混凝土与水泥制品》;20160620(第06期);全文 *
再生混凝土层裂强度的试验研究;于水生等;《混凝土》;20151127(第11期);全文 *
基于DIC技术的锈蚀钢筋混凝土表面开裂;童晶等;《浙江大学学报(工学版)》;20150215(第02期);全文 *

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